Reconfigurable dual frequency antenna for 2.4/6 GHz WLAN application

SU Zhanfei; CHEN Ming; CHENG Dandan

doi:10.13873/J.1000-9787(2021)05-0085-03

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Reconfigurable dual frequency antenna for 2.4/6 GHz WLAN application

更新时间：2025-09-11

- Reconfigurable dual frequency antenna for 2.4/6 GHz WLAN application
- Issue 5, Pages: 85-87+90(2021)
- 作者机构：
  
  西安邮电大学电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2021)05-0085-03
  CLC： TN925.93;TN822
- Published：2021
- 稿件说明：
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SU Zhanfei, CHEN Ming, CHENG Dandan. Reconfigurable dual frequency antenna for 2.4/6 GHz WLAN application[J]. 2021, (5): 85-87+90.
DOI：

SU Zhanfei, CHEN Ming, CHENG Dandan. Reconfigurable dual frequency antenna for 2.4/6 GHz WLAN application[J]. 2021, (5): 85-87+90. DOI： 10.13873/J.1000-9787(2021)05-0085-03.

摘要

针对2.4/6 GHz双频WLAN应用

提出了一种具有全向辐射模式和定向性的机械模式可重构双频天线。通过手动旋转顶部基板

天线可以分别在贴片状态或单极状态下工作。介绍了一种由外贴片、内贴片和U型间隙组成的新型U型间隙结构

实现了两种工作状态下的双频特性。这两个状态的测量重叠带分别为2.4～2.56 GHz和5.66～6.36 GHz

以及2.32～2.45 GHz和大部分5.71～6.33 GHz WLAN频段。测量的峰值增益在2.5 GHz时为7.0 dBi

在6 GHz时为8.09 dBi

在2.5 GHz时为2 dBi

在6 GHz时为6.74 dBi。

Abstract

For 2.4/6 GHz dual-band WLAN applications

a reconfigurable dual-band antenna with omnidirectional radiation mode and directional mechanical mode is proposed.By manually rotating the top substrate

the antenna can work in patch state or monopole state respectively.A new U-type gap structure consisting of outer patch

inner patch and U-type gap is introduced.The dual-frequency characteristics under two working conditions are realized.The measurement overlap bands of these two states are 2.4 ～ 2.56 GHz and 5.66 ～ 6.36 GHz

respectively

and 2.32～ 2.45 GHz and most of the 5.71～ 6.33 GHz WLAN bands.The measured peak gain is 7.0 dBi at 2.5 GHz

8.09 dBi at 6 GHz

2 dBi at 2.5 GHz and 6.74 dBi at 6 GHz.

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